National Institute of Standards and Technology
Computational Chemistry Comparison and Benchmark DataBase
Release 22May 2022
NIST Standard Reference Database 101
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III.G.10.a.

Energy differences between frozen core and all electrons correlated.
MP2, MP3, MP4, B2PLYP, CCSD, and CCSD(T)

For H2NO (nitroxide)


Methods with standard basis sets
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ
Moller Plesset perturbation MP2=FULL -0.000254 -0.003573 -0.003573 -0.002155 -0.005748 -0.006074 -0.005709 -0.037436 -0.037773 -0.015393 -0.034370 -0.004524 -0.027767 -0.059634 -0.005059 -0.031681 -0.060639
MP3=FULL         -0.005358   -0.006149       -0.035326 -0.004168 -0.027874        
MP4=FULL   -0.003352     -0.005361       -0.038588     -0.004139 -0.028200   -0.004667 -0.032234  
B2PLYP=FULL -0.000077 -0.001047 -0.001047 -0.000630 -0.001666 -0.001760 -0.001893 -0.010560 -0.010660 -0.004408 -0.009708 -0.001312 -0.007935   -0.001468 -0.009071  
Quadratic configuration interaction QCISD(TQ)=FULL         -0.005310   -0.006087         -0.004100 -0.027706 -0.061235 -0.004614 -0.031654  
Coupled Cluster CCSD=FULL         -0.005250         -0.015266 -0.035184 -0.004053 -0.027474 -0.060864 -0.004561 -0.031767 -0.061773
CCSD(T)=FULL         -0.005314           -0.035369 -0.004105 -0.027719 -0.061751 -0.004622 -0.032600 -0.062331
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ